The most fashionable ladies at Queen Elizabeth II's Platinum Jubilee celebrations

British Monarch Queen Elizabeth II celebrated 70 years of her reign with a four-day bank holiday weekend lavish celebrations all over the United Kingdom. The celebration turned out to be a stylish affair, here's a look at some stylish attendees.

For a special surprise appearance to finish the Jubilee celebrations, the monarch stepped out sporting a bright green double crepe wool dress and coat by Stewart Parvin, paired with a matching green hat by Rachel Trevor-Morgan.

Queen Elizabeth II accessorized the whole outfit with pearl necklaces, white gloves and one of her three bow brooches, which were originally made for Queen Victoria in 1858 from other jewels that the past monarch owned.

For day 2 of the celebrations, Kate Middleton chose to don this sunny yellow Emilia Wickstead midi flowy dress, with a matching Philip Treacy wide hat (don't miss the yellow florals beneath it's brim) and nude pumps for the St. Paul's Cathedral Thanksgiving Service.

Meghan Markle wore a very elegant custom all-Dior look for the Queen's Service of Thanksgiving, donning a white belted trench coat dress for her appearance.

The American actor opted to pin her hair up under her wide-brimmed white Stephen Jones Millinery hat. She also wore dainty diamond earrings to accessorize her outfit.

The Queen's granddaughter, Princess Beatrice, opted for a monochrome blue outfit, featuring a long-sleeved midi dress with pearl buttons, a bow hat, a box clutch, a pair of diamond chandelier earrings and grey pumps.

The supermodel joined the pageant parade wearing a red, white and blue cropped jacket, inspired by the Union Jack, layering a black dress underneath, with flowers in her hair.

The American singer performed at the Platinum Party at the Buckingham Palace, wearing a black gilded cape and velvet dress by Moschino, sporting a glittering braid.